Astronomy

What if dark matter came in two states?

The absence of a signal could itself be a signal. This is the idea behind a new study published in the Journal of Cosmology and Astroparticle Physics, which aims to redefine how we search for dark matter, showing that it ...

Plants & Animals

The lengths male octopuses go to protect the arm they need to mate

For mating male octopuses, one limb is more important than all others. That is the third right arm or hectocotylus, which is used to transfer sperm to the female because the penis cannot do it directly. Losing the limb can ...

Physicists zero in on the mass of the fundamental W boson particle

When fundamental particles are heavier or lighter than expected, physicists' understanding of the universe can tip into the unknown. A particle that is just beyond its predicted mass can unravel scientists' assumptions about ...

Mathematical model predicts fish freshness in real time

Every day, fish caught in oceans and seas around the world pass through a long journey before reaching supermarkets, restaurants, and home kitchens. Along the way, their freshness steadily declines, often in ways that are ...

AI uncovers hidden immune defenses inside bacteria

Researchers at the Massachusetts Institute of Technology (MIT) have discovered thousands of new proteins that protect bacteria from virus attacks using an AI system called DefensePredictor. What would usually take months ...

Uncharted island will soon appear on nautical charts

A 93-strong international expedition team has been exploring the northwestern Weddell Sea in the Antarctic on board the Alfred Wegener Institute's icebreaker Polarstern since February 8, 2026. In this key region for global ...

DNA evidence reveals a Stone Age population collapse in France

By analyzing DNA of ancient skeletons at a Neolithic burial site near Paris, an international team of researchers has uncovered evidence of a dramatic population replacement 5,000 years ago. The findings indicate that the ...

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Medical Xpress

Tech Xplore

Momentum-engineered photonic states make bulk silicon shine

An international team of researchers, led by scientists from the University of California, Irvine, has demonstrated a fundamentally new way to make silicon emit light—overcoming one of the most persistent limitations in modern ...

Pollinator-friendly gardens don't have to sacrifice style

For gardeners who love colorful, tidy flower beds, helping pollinators doesn't have to mean going fully wild. A new study from plant biologists at Northwestern University and the Chicago Botanic Garden found that some cultivated ...

Soaring petrol prices are hurting more than your wallet

Australians don't need an economist to tell them they're hurting at the petrol pump. They feel it every time they pull into a service station, every time they rethink a planned holiday, or every time they've had to squeeze ...

City animals act in the same brazen ways around the world

The urban monkeys in New Delhi are so bold they'll steal the lunch right off your plate. If you've spent time in New York, you've probably seen squirrels try to do the same. Sydney's white ibises got the nickname "bin chickens" ...

Should emojis be used in workplace communications?

When people interact in person, subtle signals like facial expressions, body language, and tone of voice play a crucial role in communicating intent and meaning, whereas written communications lack these nonverbal cues and ...

How electric cars could help tropical cities run on solar

In tropical cities, afternoon thunderstorms can plunge entire neighborhoods into brief moments of darkness. When civil engineer Markus Schläpfer moved to Singapore a decade ago, he recognized these thunderstorms as an emerging ...

A single enzyme keeps neuroblastoma alive—how to shut it off

The tumor begins before birth. Somewhere in the developing fetus, neural crest cells that should have matured into adrenal tissue or sympathetic ganglia take a wrong turn, and a child is born harboring a malignancy that may ...

Experiments refute dark matter claim

The doctoral thesis of Sophia Hollick, Ph.D. '25, a recent graduate of Yale's Wright Lab in professor Reina Maruyama's group, has significantly contributed to answering a decades-long question in her field about whether or ...

The Earth is rearranging history

Deep below the surface of Murujuga, soil expands and contracts from the passage of water. Each wetting cycle is like a sodden breath from lungs holding fragments of stone and shell. Stone artifacts from millennia of Aboriginal ...

Teaching robots to harvest asparagus

Asparagus is one of the most labor-intensive crops on the market. Harvesting demands extreme precision—the terrain is uneven, and the stalks are thin and of varying length. These challenges inhibit automation, leading to ...